Stop-motion.



' 0. L. OWEN.

STOP MOTION.

APPIICATIO-N FILED NOV. '26. mo.

PatentedSept. 7, 1915.

2 SHEETS-SHEETI 0. L. OWEN.

STOP MOTION. APPLICATION FILE D NOV-26,1910- 1,15,5M. Patented Sept. 7, 1915.

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OSG'AR L. OWEN, 0F 'WHITINSVILLE, MA$SAGHUSETTS, ASSIGNOR TO THE WHITIN MACHINE WORKS, 0F TUHITINSVILLE, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.

T 0 Mt whom it may concern Be it known that 1, Oscar LL OWEN, a

citizen of the-United States," and a residentand also to avoid the unevenness resulting from the passage of such portions into the machines product. The ends of the lap that are last to be unwound from thespools upon which it is supplied to the kind of machines referred to, are the parts in which these bunches or thickened portions ordinarily occur, and it is my object to stop the f machine by automatic means before these tail ends of thelap rolls can pass off of their spools and into the feeding devices of the machine. This object is accomplished in a satisfactory manner by the means constituting this invention and hereinafter-exemplified, which are simple and not likely to be deranged by prolonged orsevere usage.

I have illustrated thefinvention herein as applied to a well known form of cotton f comber, but it will be understood from the description which follows that it is applica I ble to other kinds oflap-worl-zing machines.

Figure 1. is a transverse verticalsection" of certain familiar parts of a cotton comber showing my invention applied thereto; F1g. 2 is a sectional elevation on line ill- H of Fig. 1 of the lap roll supporting devices showing an empty spool in positionthereon;

Fig. 3 an end elevation of Fig. 2, parts in section; Fig. 4 a perspective enlarged view of the feeler and its mounting; while Fig. 5 is a detail on line V of Fig. 1, on enlarged scale, indicating the form-of insulating connection. a i

In F1 g. 1 the lap roll is marked 1 andis shown in the position in which it is placed to supply the lap to the comber. This roll is pre pared, in another machine, by winding the lap upon a cylindrical spool 2, of about the relative dimensions shown in thedrawings,

and formed with central hollow bore or cavity in its end, as shown at 3. The sup- Specification of Letters Tatent.

s roruuorlon.

Patented Sept. 7, 1915.

Application fileanov mber 26,1910. seriaiivo. 594,271. 7

. ports upon which the lap-roll rests, comprise the two fluted rollers carried on the shafts l, which extend longitudinally the length'of the machine, being common to the several combing heads thereof, so that in one ma chine they, or therollers thereof, may form the revoluble support for a series of "lap rolls. 7 volved in the appropriate direction to un- The roller shafts 4t are ordinarily rewind the lap from the spools, and allow the lap toadvance over the lap plates 5 into the feed rolls 6 and thence into the combing mechanism, which being of the usual construction, need not be described. The roller shafts are journaled inbrackets 7 extended from the rear upper ends of the several frame standards 8 that separate and support the various parts of the several comberheads, as will be well understood. These brackets serve also to support a fixed rod 9, which, like the roller-shafts, is also common to all of the heads of the machine, and upon this rod there is mounted a series of guide fingers 10, the latter being arranged 1n pairs adjacent to the ends of the lap. rolls, and adapted to maintain them in proper position on their rollers, preventing their endwise displacement thereon. placed below and between the roller shafts 4 anduthe guide fingers are longitudinally adjustable thereon in order to accommodate different widths of lap rolls, but so far as the present invention is concerned, they may be The rod is i adjustably mounted upon any support that may be convenient for the, purpose, dependlng upon the nature of the machine wlth which this invention is employed. In the form which is preferred for the present inyention, however, they are made with openings or windows throughthem, as shown in Fig. 4, through which the rounded nose 11 of a feeler can project to engage the edgeof the lap wound on the lap roll spool or the end of the spool itself. The feeler comprises a base or body portion 12, to which the nose 11' just referred to is adjustably connected by means of a slotand bolt connection 13, and also an arm 14 laterally extended .beneath the lap. roll, forming a counter weight tending to press the rounded nose: toward and against the lap roll or, against its spool in the obvious manner. There isa similar feeler for each lap 'roll, and each mayibe pivoted by its body portion on any convenient" support, but,"for"economy construction, is desirably mounted on one of the guide fingers at one end of its roll solthat it will thus be adjustable in a longitudinal direction on therod 9 by the adjustment of the finger, and can thus be made to bear,

upon zthe lap roll in the most satisfactory manner,extending upwardly between the roller shafts 4; as clearly shown.

When a full lap roll is inposition' on the supporting rollers, as illustrated in Fig. 1,

thefeeler nose 11 will bear against the-edge 1E:v unwound andthe roll decreases in. diameter,

".5 the-spool2 in the: center thereof willgracl ually approach the fiuted-rollers'onwhich the lap .roll' rests, and eventually the cavity of the lap orend of the lap roll-,by the effect 1 of its counter-weighted arm, which will thus be held in a lifted position. As the lap is or end oft-the bore in the spool will come into l'atterma'yienter thesame, acting under the influence of its counterweight, and thus al I lo'wnthearml l to swing the feeler on; its,

pivot, lowering the arm 14 to its lower position Of course a spring can be used to mo ve the feeler in substitution for gravity acting "on the horizontally extended arm. Inits lowest position this arm 14 is adapted to engage; a member," such as the bar 15,

forming part of the operating connections of.

a suitable throwroff mechanism, and by such engagement to effect the immediate stopping ofnthe machine.

[Inthecase of a'mechanically' operated throw-off mechanism, which is a common device, theLmember 15 }Will takethe form of l a reciprocating part adapted tobe arrested by thefllfeelenarm according to the usual principle, andthus ship the driving belt;

- but .in the case illustrated and forming'a chine.

contact member, common tothe several lap as indicated inFig. 5, so that it, is electrically separate from the frame of the maw and in alinement withthe arms of the feela pole connected to this member '15, so that the ersj The'lthrow-off mechanism shown diagrammatically at 16, is connected in the circuit indicated in Fig. l, with one pole grounded to the machine frame and its other operation of the feeler by. which it engages the common bar 15, closes the circuit and thereby stops the machine-through theoper 'ation ofthe throw-off mechanism 16, in the manner which will be well understood without description. The throw-ofi-mechanism, which is represented diagrammatically, may

be ofany suitable or known; character, for,

of Alexis E] lValdow,

It is. also located adjacent the rod 9 example, such as is shownin the application Serial Number 765,983, filed May 7th, 1913.

It will be observed that the adjustable connection between the-feeler-nose and its body portion enables the former to be adjusted toward and from the support on which the lap roll rests and with reference to the path of approach of the axis of the lap spool caused by the unwinding of the lap, so that it can be thus set to become operative at the proper. moment with respect to the height of thespool above its supporting means, i. e. to the size ofthe lap roll, and before the bunched portions of the lap that are immediately next to the spool, can pass therefrom into the machine, thereby accomplishing the obj ects-of the invention first above stated.

The lap roll spools may be of metal or of wood or other material, and the feelers may or may not form .a part of the electrical throw-off circuit as preferred, so long as the approach ofthe lap roll spool brings about the timely closing of the circuit or the stopthat roll can be turned back through its dead center, as indicated by the dotted lines of Fig. 2, to a position where its center of gravity will lie outside of the vertical plane v v I. of its pivotal support, and thus maintain an -spec ific'f eature of this. invention, the throwofi' mechanism, is of the electrical type, and the bar 15 is therefore merelyan electrical open condition of the stop motion circuit when the lap-roll is removed, and when in this position, the placing of a fresh roll in the place of the one removed will automatically restore the feeler to its working posi- 'tion by engagement therewith which will rock the feeler on its pivot.

. I claim I 1. A stop motion for lap-working machines. comprising in combination with the means for supporting and unwinding the lap-roll, said means permitting the axis of the lap roll to descend as the roll is un- 'wound, a throw-0H mechanism and means for operating the same, comprising a feeler mounted independently of the roll and having normal engagement with the end of the roll and meanscontrolled by said feeler for operating said mechanism.

2. A stop motion for lap-working machines, comprisingin combination with the meansfor supporting and revolving the laproll, and thespool vertically movable therein, a feeler normally having engagement with the end of the roll and its spool and mounted independently in predetermined relation to the height of the spool, said spool having a portion adapted to cause the actuation of the feeler, a throw-off mechanism, and means controlled by the feeler to actuate said mechanism.

3. A stop motion for lap-working machines, comprising the combination of the lap-roll arranged to approach its support by the unwinding of the lap therefrom and having a bore or cavity at its end, a feeler cooperatively related to the end of the roll and the cavity in the spool, a throw-off mechanism and means controlled by the feeler to actuate said mechanism.

4. In a stop motion for lap-working machines, the combination of the lap roll supporting means and a lap-roll thereon having a cavity in its end and arranged to approach its support by the unwinding of the lap, a feeler engaged with the end of the roll and adapted to enter the cavity, a throw-ofi' mechanism and means brought into operation by the movement of the feeler, to actuate said mechanism.

5. In a stop motion for lap-working machines, a lap-roll and spool, a feeler having a rounded nose held ineffective by the end of the lap-roll and adapted to enter the bore of the lap-roll spool when the latter is lowered by the unwinding of the lap, in combination with a throw-off mechanism and operating connections therefor controlled by the feeler on entering movement of the nose.

6. In a stop motion for lap-working machines, a lap roll feeler comprising a pivotally mounted body portion and a relatively adjustable nose portion, in combination with means for supporting the lap roll whereby the axis thereof approaches said nose portion as the lap unwinds.

7. In a stop motion for lap-working machines, a feeler the end of the lap roll normally having contact with and correlated with a cavity in the center thereof and comprising a pivotally mounted body portion and a nose portion adjustably carried on said body portion adapted to enter said cavity when the roll approaches exhaustion, in combination with means for longitudinally adjusting the said body portion and means for pressing the said nose portion to ward the lap roll.

8. In a stop motion for lap-working machines, the combination of guide fingers between adjacent ends of the lap rolls, movable feelers mounted on the guide fingers having means for pressing them against the rolls, a throw-off mechanism and operating means therefor controlled by said feelers by virtue of the latter bearing against the ends of the rolls.

9. In a stop motion for lap-working machines, means for supporting several lap rolls and the spools thereof, a longitudinal support beneath and parallel with the axes of the rolls, feelers longitudinally adjustable on said support and respectively arranged to press against the ends of the rolls, in combination with a throw-off mechanism controlled by the feelers.

10. In a lap-working machine, a pair of rotating roller shafts forming the support for a plurality of lap rolls, movable feelers engaged with said rolls and controlled there by, a member extending beneath the several rolls adapted to be engaged by the feelers and a throw-off mechanism connected with said member and adapted to be rendered operative by the engagement of a feeler therewith.

11. In a lap working machine, a pair of rotating roller shafts forming the support for several lap rolls, a fixed rod disposed between said shafts and carrying a series of lap roll. feelers respectively pressed against said rolls, a member common to said rolls and feelers, and a throw-off mechanism operated by the engagement of a feeler with said member.

12. In a lap-working machine, means for supporting the lap-roll and a guide finger adjacent the end thereof provided with an opening or recess, in combination with a feeler nose adapted to engage the lap roll through said opening, a throw-off mechanism, and means controlled by said feeler to actuate said mechanism.

13. In a lap-working machine, the combination of a feeler mounted to engage the end of the lap-roll and having a lateral arm extended beneath the said roll, a contact member beneath the roll engaged by said arm and a throw-off mechanism operated by such engagement.

14. In a lap-working machine, a support for the lap roll, a pivoted feeler engaging the end of the roll and having a horizontal arm forming a counterweight adapted to press the feeler against the roll, in combination with an electrical circuit with one pole thereof connected to said feeler, a contact member beneath the said arm connected to the other pole, and a throw-off mechanism operated by said circuit.

15. In a lap-working machine, a pair of roller shafts adapted to support a series of lap rolls, a corresponding series of pivoted feelers disposed between said shafts and projecting upwardly in engagement with said rolls, and lateral arms on said feelers extending beneath their rolls and in the direction of the axes thereof, in combination with a contact bar coextensive with said series of rolls beneath said arms and adapted to be engaged thereby, and a throw-off circuit operated by such engagement.

16. A stop motion for lap-working machines comprising a throw-off mechanism and suitable supporting means for the lap roll,infcombination With a feeler having tWo arms or portions, one of which is adapted to feel the roll as it unWinds and the other of which is adapted to be engaged by the roll to throw the said feeling arm a into engagement therewith, suitable means Uopies of this patent may be obtained for for pressing saidfeeler arm against the roll and suitable controlling connections from the feeler to said throw-off mechanism adapted to operatethe same on a predetermined diminishment of the lap-roll.

17. A stop motion for lap-Working machines comprising lap-roll supporting means, a throw-off mechanism, and a pivoted feeler having engagement With the end of the lap-roll to control said mechanism, the said feeler being normally subjected to a OSCAR L. OWEN.

Witnesses:

CHESTER C. LAMB, JOHN F. MCGINNISS.

five cents each, by addressing the Commissioner of Patents, Washington, D. O. 

